Viral infections take anti-inflammatory drugs is not working. Patients with viral infections can use some antiviral drugs. There are many antiviral drugs, such as ribavirin, acyclovir, ganciclovir, oseltamivir phosphate, etc. It is necessary to choose the right antiviral drug according to the different pathogens of the infection. Most viral infections are self-limiting, and symptomatic management is sufficient even without treatment. It is necessary to be alert to the fact that some of the viral infections can have related complications, such as complications of pneumonia, myocarditis, encephalitis, etc. The condition of this part of the patients is more serious and generally has more clinical manifestations, which require hospitalization.